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Fix: raise OptionalImportError when user-specified reader package is not installed #8796

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Fix: raise OptionalImportError when user-specified reader package is not installed #8796

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831ff2c
Fix: raise OptionalImportError when user-specified reader package is …
Talhax55z Mar 30, 2026
b4c0ef1
Test: add unit test for OptionalImportError when reader package is mi…
Talhax55z Mar 30, 2026
5188d1f
[pre-commit.ci] auto fixes from pre-commit.com hooks
pre-commit-ci[bot] Mar 30, 2026
55f9b13
Test: add docstrings and string-reader path test to TestLoadImageRead…
Talhax55z Mar 30, 2026
4c98be5
Test: add docstrings and string-reader path test to TestLoadImageRead…
Talhax55z Mar 30, 2026
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6 changes: 3 additions & 3 deletions monai/transforms/io/array.py
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Original file line number Diff line number Diff line change
Expand Up @@ -210,10 +210,10 @@ def __init__(
the_reader = look_up_option(_r.lower(), SUPPORTED_READERS)
try:
self.register(the_reader(*args, **kwargs))
except OptionalImportError:
warnings.warn(
except OptionalImportError as e:
raise OptionalImportError(
f"required package for reader {_r} is not installed, or the version doesn't match requirement."
)
) from e
except TypeError: # the reader doesn't have the corresponding args/kwargs
warnings.warn(f"{_r} is not supported with the given parameters {args} {kwargs}.")
self.register(the_reader())
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